632690078 has 4 divisors (see below), whose sum is σ = 949035120. Its totient is φ = 316345038.

The previous prime is 632690059. The next prime is 632690081. The reversal of 632690078 is 870096236.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158172518 + ... + 158172521.

It is an arithmetic number, because the mean of its divisors is an integer number (237258780).

Almost surely, 2^632690078 is an apocalyptic number.

632690078 is a deficient number, since it is larger than the sum of its proper divisors (316345042).

632690078 is a wasteful number, since it uses less digits than its factorization.

632690078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316345041.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 632690078 is about 25153.3313499425. The cubic root of 632690078 is about 858.4803151022.

The spelling of 632690078 in words is "six hundred thirty-two million, six hundred ninety thousand, seventy-eight".