72756102 has 16 divisors (see below), whose sum is σ = 146276352. Its totient is φ = 24124680.

The previous prime is 72756091. The next prime is 72756109. The reversal of 72756102 is 20165727.

It is a self number, because there is not a number n which added to its sum of digits gives 72756102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72756109) 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, 30598 + ... + 32889.

It is an arithmetic number, because the mean of its divisors is an integer number (9142272).

Almost surely, 2^72756102 is an apocalyptic number.

72756102 is an abundant number, since it is smaller than the sum of its proper divisors (73520250).

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

72756102 is a wasteful number, since it uses less digits than its factorization.

72756102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63683.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 72756102 is about 8529.7187526905. The cubic root of 72756102 is about 417.4679516915.

The spelling of 72756102 in words is "seventy-two million, seven hundred fifty-six thousand, one hundred two".