77108272 has 40 divisors (see below), whose sum is σ = 153204480. Its totient is φ = 37584960.

The previous prime is 77108267. The next prime is 77108281. The reversal of 77108272 is 27280177.

It is a super-2 number, since 2×77108272² = 11891371221651968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 116679 + ... + 117337.

It is an arithmetic number, because the mean of its divisors is an integer number (3830112).

Almost surely, 2^77108272 is an apocalyptic number.

It is an amenable number.

77108272 is a deficient number, since it is larger than the sum of its proper divisors (76096208).

77108272 is a wasteful number, since it uses less digits than its factorization.

77108272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 77108272 is about 8781.1315899490. The cubic root of 77108272 is about 425.6313973765.

The spelling of 77108272 in words is "seventy-seven million, one hundred eight thousand, two hundred seventy-two".