72390702 has 16 divisors (see below), whose sum is σ = 146615040. Its totient is φ = 23824632.

The previous prime is 72390701. The next prime is 72390727. The reversal of 72390702 is 20709327.

It is a self number, because there is not a number n which added to its sum of digits gives 72390702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72390701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75888 + ... + 76835.

It is an arithmetic number, because the mean of its divisors is an integer number (9163440).

Almost surely, 2^72390702 is an apocalyptic number.

72390702 is an abundant number, since it is smaller than the sum of its proper divisors (74224338).

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

72390702 is a wasteful number, since it uses less digits than its factorization.

72390702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152807.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 72390702 is about 8508.2725626299. The cubic root of 72390702 is about 416.7679010196.

The spelling of 72390702 in words is "seventy-two million, three hundred ninety thousand, seven hundred two".