7872774 has 32 divisors (see below), whose sum is σ = 19380480. Its totient is φ = 2076192.

The previous prime is 7872763. The next prime is 7872793. The reversal of 7872774 is 4772787.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6664 + ... + 7755.

It is an arithmetic number, because the mean of its divisors is an integer number (605640).

Almost surely, 2^7872774 is an apocalyptic number.

7872774 is an abundant number, since it is smaller than the sum of its proper divisors (11507706).

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

7872774 is a wasteful number, since it uses less digits than its factorization.

7872774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444.

The product of its digits is 153664, while the sum is 42.

The square root of 7872774 is about 2805.8463963660. The cubic root of 7872774 is about 198.9341128476.

It can be divided in two parts, 7872 and 774, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 7872774 in words is "seven million, eight hundred seventy-two thousand, seven hundred seventy-four".