70950945 has 48 divisors (see below), whose sum is σ = 129971520. Its totient is φ = 32848896.

The previous prime is 70950931. The next prime is 70950953. The reversal of 70950945 is 54905907.

It is not a de Polignac number, because 70950945 - 2⁶ = 70950881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55726 + ... + 56984.

It is an arithmetic number, because the mean of its divisors is an integer number (2707740).

Almost surely, 2^70950945 is an apocalyptic number.

It is an amenable number.

70950945 is a deficient number, since it is larger than the sum of its proper divisors (59020575).

70950945 is a wasteful number, since it uses less digits than its factorization.

70950945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 70950945 is about 8423.2383914977. The cubic root of 70950945 is about 413.9863877995.

The spelling of 70950945 in words is "seventy million, nine hundred fifty thousand, nine hundred forty-five".