118390572 has 54 divisors (see below), whose sum is σ = 311240748. Its totient is φ = 39350448.

The previous prime is 118390549. The next prime is 118390579. The reversal of 118390572 is 275093811.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

118390572 is a `hidden beast` number, since 1 + 1 + 83 + 9 + 0 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (54).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (118390579) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 339054 + ... + 339402.

Almost surely, 2^118390572 is an apocalyptic number.

118390572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118390572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155620374).

118390572 is an abundant number, since it is smaller than the sum of its proper divisors (192850176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118390572 is an frugal number, since it uses more digits than its factorization.

118390572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 118390572 is about 10880.7431731477. The cubic root of 118390572 is about 491.0273765470.

The spelling of 118390572 in words is "one hundred eighteen million, three hundred ninety thousand, five hundred seventy-two".