71923902 has 16 divisors (see below), whose sum is σ = 145193472. Its totient is φ = 23750360.

The previous prime is 71923883. The next prime is 71923927. The reversal of 71923902 is 20932917.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55374 + ... + 56657.

It is an arithmetic number, because the mean of its divisors is an integer number (9074592).

Almost surely, 2^71923902 is an apocalyptic number.

71923902 is an abundant number, since it is smaller than the sum of its proper divisors (73269570).

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

71923902 is a wasteful number, since it uses less digits than its factorization.

71923902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112143.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 71923902 is about 8480.7960711245. The cubic root of 71923902 is about 415.8701479270.

The spelling of 71923902 in words is "seventy-one million, nine hundred twenty-three thousand, nine hundred two".