47976930 has 24 divisors (see below), whose sum is σ = 124740252. Its totient is φ = 12793824.

The previous prime is 47976923. The next prime is 47976961. The reversal of 47976930 is 3967974.

It can be written as a sum of positive squares in 2 ways, for example, as 47568609 + 408321 = 6897^2 + 639^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266449 + ... + 266628.

Almost surely, 2^47976930 is an apocalyptic number.

47976930 is an abundant number, since it is smaller than the sum of its proper divisors (76763322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47976930 is a wasteful number, since it uses less digits than its factorization.

47976930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533090 (or 533087 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 47976930 is about 6926.5380963364. The cubic root of 47976930 is about 363.3658856637.

The spelling of 47976930 in words is "forty-seven million, nine hundred seventy-six thousand, nine hundred thirty".