70973947 has 8 divisors (see below), whose sum is σ = 77817600. Its totient is φ = 64195560.

The previous prime is 70973923. The next prime is 70973953. The reversal of 70973947 is 74937907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-70973947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70973897 and 70973906.

It is not an unprimeable number, because it can be changed into a prime (70973957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14023 + ... + 18400.

It is an arithmetic number, because the mean of its divisors is an integer number (9727200).

Almost surely, 2^70973947 is an apocalyptic number.

70973947 is a deficient number, since it is larger than the sum of its proper divisors (6843653).

70973947 is a wasteful number, since it uses less digits than its factorization.

70973947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32633.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 70973947 is about 8424.6036702031. The cubic root of 70973947 is about 414.0311205184.

The spelling of 70973947 in words is "seventy million, nine hundred seventy-three thousand, nine hundred forty-seven".