77054652 has 60 divisors (see below), whose sum is σ = 212054920. Its totient is φ = 24331104.

The previous prime is 77054641. The next prime is 77054657. The reversal of 77054652 is 25645077.

It is a super-2 number, since 2×77054652² = 11874838789682208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77054657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 103 + ... + 12414.

Almost surely, 2^77054652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77054652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106027460).

77054652 is an abundant number, since it is smaller than the sum of its proper divisors (135000268).

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

77054652 is a wasteful number, since it uses less digits than its factorization.

77054652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12552 (or 12541 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 77054652 is about 8778.0779217321. The cubic root of 77054652 is about 425.5327151509.

The spelling of 77054652 in words is "seventy-seven million, fifty-four thousand, six hundred fifty-two".