762320642 has 4 divisors (see below), whose sum is σ = 1143480966. Its totient is φ = 381160320.

The previous prime is 762320627. The next prime is 762320653. The reversal of 762320642 is 246023267.

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

It can be written as a sum of positive squares in only one way, i.e., 700713841 + 61606801 = 26471^2 + 7849^2 .

It is a super-2 number, since 2×762320642² = 1162265522438584328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 762320599 and 762320608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190580159 + ... + 190580162.

Almost surely, 2^762320642 is an apocalyptic number.

762320642 is a deficient number, since it is larger than the sum of its proper divisors (381160324).

762320642 is a wasteful number, since it uses less digits than its factorization.

762320642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381160323.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 762320642 is about 27610.1546898963. The cubic root of 762320642 is about 913.5084309483.

The spelling of 762320642 in words is "seven hundred sixty-two million, three hundred twenty thousand, six hundred forty-two".