72049158 has 24 divisors (see below), whose sum is σ = 157656096. Its totient is φ = 23778000.

The previous prime is 72049151. The next prime is 72049163. The reversal of 72049158 is 85194027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72049151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17998 + ... + 21633.

It is an arithmetic number, because the mean of its divisors is an integer number (6569004).

Almost surely, 2^72049158 is an apocalyptic number.

72049158 is an abundant number, since it is smaller than the sum of its proper divisors (85606938).

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

72049158 is a wasteful number, since it uses less digits than its factorization.

72049158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39740 (or 39737 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 72049158 is about 8488.1775429123. The cubic root of 72049158 is about 416.1114215533. Note that the first 3 decimals are identical.

The spelling of 72049158 in words is "seventy-two million, forty-nine thousand, one hundred fifty-eight".