77672075 has 12 divisors (see below), whose sum is σ = 103722528. Its totient is φ = 57357600.

The previous prime is 77672069. The next prime is 77672087. The reversal of 77672075 is 57027677.

It is not a de Polignac number, because 77672075 - 2⁶ = 77672011 is a prime.

It is a hoax number, since the sum of its digits (41) 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 11 ways as a sum of consecutive naturals, for example, 119171 + ... + 119820.

It is an arithmetic number, because the mean of its divisors is an integer number (8643544).

Almost surely, 2^77672075 is an apocalyptic number.

77672075 is a deficient number, since it is larger than the sum of its proper divisors (26050453).

77672075 is a wasteful number, since it uses less digits than its factorization.

77672075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239014 (or 239009 counting only the distinct ones).

The product of its (nonzero) digits is 144060, while the sum is 41.

The square root of 77672075 is about 8813.1762151905. The cubic root of 77672075 is about 426.6662614607. Note that the first 3 decimals are identical.

The spelling of 77672075 in words is "seventy-seven million, six hundred seventy-two thousand, seventy-five".