7974762148 has 6 divisors (see below), whose sum is σ = 13955833766. Its totient is φ = 3987381072.

The previous prime is 7974762119. The next prime is 7974762209. The reversal of 7974762148 is 8412674797.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5975599204 + 1999162944 = 77302^2 + 44712^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996845265 + ... + 996845272.

Almost surely, 2^7974762148 is an apocalyptic number.

It is an amenable number.

7974762148 is a deficient number, since it is larger than the sum of its proper divisors (5981071618).

7974762148 is a wasteful number, since it uses less digits than its factorization.

7974762148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993690541 (or 1993690539 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 55.

The square root of 7974762148 is about 89301.5237719939. The cubic root of 7974762148 is about 1997.8946301533.

The spelling of 7974762148 in words is "seven billion, nine hundred seventy-four million, seven hundred sixty-two thousand, one hundred forty-eight".