72025492 has 54 divisors (see below), whose sum is σ = 161217546. Its totient is φ = 28052640.

The previous prime is 72025441. The next prime is 72025517. The reversal of 72025492 is 29452027.

It can be written as a sum of positive squares in only one way, i.e., 69155856 + 2869636 = 8316^2 + 1694^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22198 + ... + 25234.

Almost surely, 2^72025492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72025492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80608773).

72025492 is an abundant number, since it is smaller than the sum of its proper divisors (89192054).

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

72025492 is a wasteful number, since it uses less digits than its factorization.

72025492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077 (or 3057 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 72025492 is about 8486.7833718082. The cubic root of 72025492 is about 416.0658564993.

The spelling of 72025492 in words is "seventy-two million, twenty-five thousand, four hundred ninety-two".