70450947 has 24 divisors (see below), whose sum is σ = 120313440. Its totient is φ = 38868480.

The previous prime is 70450937. The next prime is 70450949. The reversal of 70450947 is 74905407.

It is a happy number.

It is not a de Polignac number, because 70450947 - 2⁷ = 70450819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70450949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17454 + ... + 21107.

It is an arithmetic number, because the mean of its divisors is an integer number (5013060).

Almost surely, 2^70450947 is an apocalyptic number.

70450947 is a deficient number, since it is larger than the sum of its proper divisors (49862493).

70450947 is a wasteful number, since it uses less digits than its factorization.

70450947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38603 (or 38600 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70450947 is about 8393.5062399453. The cubic root of 70450947 is about 413.0116274206.

The spelling of 70450947 in words is "seventy million, four hundred fifty thousand, nine hundred forty-seven".