77034804 has 96 divisors (see below), whose sum is σ = 225662976. Its totient is φ = 19870080.

The previous prime is 77034733. The next prime is 77034809. The reversal of 77034804 is 40843077.

It is a happy number.

It is a super-2 number, since 2×77034804² = 11868722054636832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77034809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242854 + ... + 243170.

It is an arithmetic number, because the mean of its divisors is an integer number (2350656).

Almost surely, 2^77034804 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 77034804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112831488).

77034804 is an abundant number, since it is smaller than the sum of its proper divisors (148628172).

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

77034804 is a wasteful number, since it uses less digits than its factorization.

77034804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 77034804 is about 8776.9473052993. The cubic root of 77034804 is about 425.4961752908.

The spelling of 77034804 in words is "seventy-seven million, thirty-four thousand, eight hundred four".