72723702 has 16 divisors (see below), whose sum is σ = 145708992. Its totient is φ = 24197640.

The previous prime is 72723701. The next prime is 72723731. The reversal of 72723702 is 20732727.

It is a self number, because there is not a number n which added to its sum of digits gives 72723702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72723701) 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, 7188 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (9106812).

Almost surely, 2^72723702 is an apocalyptic number.

72723702 is an abundant number, since it is smaller than the sum of its proper divisors (72985290).

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

72723702 is a wasteful number, since it uses less digits than its factorization.

72723702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21803.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 72723702 is about 8527.8192992113. The cubic root of 72723702 is about 417.4059730645.

The spelling of 72723702 in words is "seventy-two million, seven hundred twenty-three thousand, seven hundred two".