77066252 has 12 divisors (see below), whose sum is σ = 135896376. Its totient is φ = 38238720.

The previous prime is 77066221. The next prime is 77066263. The reversal of 77066252 is 25266077.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73013 + ... + 74060.

It is an arithmetic number, because the mean of its divisors is an integer number (11324698).

Almost surely, 2^77066252 is an apocalyptic number.

It is an amenable number.

77066252 is a deficient number, since it is larger than the sum of its proper divisors (58830124).

77066252 is a wasteful number, since it uses less digits than its factorization.

77066252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147208 (or 147206 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 77066252 is about 8778.7386337674. The cubic root of 77066252 is about 425.5540676658.

The spelling of 77066252 in words is "seventy-seven million, sixty-six thousand, two hundred fifty-two".