47996451 has 12 divisors (see below), whose sum is σ = 72977320. Its totient is φ = 30313440.

The previous prime is 47996449. The next prime is 47996453. The reversal of 47996451 is 15469974.

It is an interprime number because it is at equal distance from previous prime (47996449) and next prime (47996453).

It is not a de Polignac number, because 47996451 - 2¹ = 47996449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47996397 and 47996406.

It is not an unprimeable number, because it can be changed into a prime (47996453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140170 + ... + 140511.

Almost surely, 2^47996451 is an apocalyptic number.

47996451 is a deficient number, since it is larger than the sum of its proper divisors (24980869).

47996451 is a wasteful number, since it uses less digits than its factorization.

47996451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280706 (or 280703 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 47996451 is about 6927.9470985278. The cubic root of 47996451 is about 363.4151614554.

The spelling of 47996451 in words is "forty-seven million, nine hundred ninety-six thousand, four hundred fifty-one".