77453052 has 24 divisors (see below), whose sum is σ = 188582016. Its totient is φ = 24695088.

The previous prime is 77453021. The next prime is 77453053. The reversal of 77453052 is 25035477.

It is a super-2 number, since 2×77453052² = 11997950528229408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77453053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140038 + ... + 140589.

It is an arithmetic number, because the mean of its divisors is an integer number (7857584).

Almost surely, 2^77453052 is an apocalyptic number.

It is an amenable number.

77453052 is an abundant number, since it is smaller than the sum of its proper divisors (111128964).

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

77453052 is a wasteful number, since it uses less digits than its factorization.

77453052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280657 (or 280655 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 77453052 is about 8800.7415596642. The cubic root of 77453052 is about 426.2648400563.

The spelling of 77453052 in words is "seventy-seven million, four hundred fifty-three thousand, fifty-two".