72077162370 has 32 divisors (see below), whose sum is σ = 177204343680. Its totient is φ = 18751781760.

The previous prime is 72077162363. The next prime is 72077162449. The reversal of 72077162370 is 7326177027.

It is a super-2 number, since 2×72077162370² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29298430 + ... + 29300889.

It is an arithmetic number, because the mean of its divisors is an integer number (5537635740).

Almost surely, 2^72077162370 is an apocalyptic number.

72077162370 is an abundant number, since it is smaller than the sum of its proper divisors (105127181310).

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

72077162370 is a wasteful number, since it uses less digits than its factorization.

72077162370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58599370.

The product of its (nonzero) digits is 172872, while the sum is 42.

The spelling of 72077162370 in words is "seventy-two billion, seventy-seven million, one hundred sixty-two thousand, three hundred seventy".