77452052 has 24 divisors (see below), whose sum is σ = 139829760. Its totient is φ = 37517600.

The previous prime is 77452049. The next prime is 77452079. The reversal of 77452052 is 25025477.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16949 + ... + 21027.

It is an arithmetic number, because the mean of its divisors is an integer number (5826240).

Almost surely, 2^77452052 is an apocalyptic number.

It is an amenable number.

77452052 is a deficient number, since it is larger than the sum of its proper divisors (62377708).

77452052 is a wasteful number, since it uses less digits than its factorization.

77452052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231 (or 4229 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 77452052 is about 8800.6847460865. The cubic root of 77452052 is about 426.2630055399.

The spelling of 77452052 in words is "seventy-seven million, four hundred fifty-two thousand, fifty-two".