72062490 has 64 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 17894400.

The previous prime is 72062489. The next prime is 72062491. The reversal of 72062490 is 9426027.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72062489) and next prime (72062491).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (72062491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50811 + ... + 52209.

It is an arithmetic number, because the mean of its divisors is an integer number (2891700).

Almost surely, 2^72062490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72062490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92534400).

72062490 is an abundant number, since it is smaller than the sum of its proper divisors (113006310).

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

72062490 is a wasteful number, since it uses less digits than its factorization.

72062490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 72062490 is about 8488.9628341747. The cubic root of 72062490 is about 416.1370857687.

The spelling of 72062490 in words is "seventy-two million, sixty-two thousand, four hundred ninety".