76513946 has 4 divisors (see below), whose sum is σ = 114770922. Its totient is φ = 38256972.

The previous prime is 76513937. The next prime is 76513961. The reversal of 76513946 is 64931567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64931567 = 2161 ⋅30047.

It can be written as a sum of positive squares in only one way, i.e., 65788321 + 10725625 = 8111^2 + 3275^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19128485 + ... + 19128488.

Almost surely, 2^76513946 is an apocalyptic number.

76513946 is a deficient number, since it is larger than the sum of its proper divisors (38256976).

76513946 is a wasteful number, since it uses less digits than its factorization.

76513946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38256975.

The product of its digits is 136080, while the sum is 41.

The square root of 76513946 is about 8747.2250456931. The cubic root of 76513946 is about 424.5350319752.

The spelling of 76513946 in words is "seventy-six million, five hundred thirteen thousand, nine hundred forty-six".