77001332 has 12 divisors (see below), whose sum is σ = 140611296. Its totient is φ = 36826680.

The previous prime is 77001317. The next prime is 77001343. The reversal of 77001332 is 23310077.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 77001298 and 77001307.

It is a congruent 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, 418394 + ... + 418577.

It is an arithmetic number, because the mean of its divisors is an integer number (11717608).

Almost surely, 2^77001332 is an apocalyptic number.

It is an amenable number.

77001332 is a deficient number, since it is larger than the sum of its proper divisors (63609964).

77001332 is a wasteful number, since it uses less digits than its factorization.

77001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836998 (or 836996 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 77001332 is about 8775.0402848078. The cubic root of 77001332 is about 425.4345396382.

The spelling of 77001332 in words is "seventy-seven million, one thousand, three hundred thirty-two".