47972970 has 24 divisors (see below), whose sum is σ = 124729956. Its totient is φ = 12792768.

The previous prime is 47972957. The next prime is 47972983. The reversal of 47972970 is 7927974.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47972957) and next prime (47972983).

It can be written as a sum of positive squares in 2 ways, for example, as 41332041 + 6640929 = 6429^2 + 2577^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266427 + ... + 266606.

Almost surely, 2^47972970 is an apocalyptic number.

47972970 is an abundant number, since it is smaller than the sum of its proper divisors (76756986).

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

47972970 is a wasteful number, since it uses less digits than its factorization.

47972970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533046 (or 533043 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 47972970 is about 6926.2522333510. The cubic root of 47972970 is about 363.3558880218.

The spelling of 47972970 in words is "forty-seven million, nine hundred seventy-two thousand, nine hundred seventy".