70394961 has 16 divisors (see below), whose sum is σ = 115520384. Its totient is φ = 37131264.

The previous prime is 70394959. The next prime is 70394969. The reversal of 70394961 is 16949307.

It is not a de Polignac number, because 70394961 - 2¹ = 70394959 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (70394969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128656 + ... + 129201.

It is an arithmetic number, because the mean of its divisors is an integer number (7220024).

Almost surely, 2^70394961 is an apocalyptic number.

It is an amenable number.

70394961 is a deficient number, since it is larger than the sum of its proper divisors (45125423).

70394961 is a wasteful number, since it uses less digits than its factorization.

70394961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257880.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 70394961 is about 8390.1704988635. The cubic root of 70394961 is about 412.9021943196.

The spelling of 70394961 in words is "seventy million, three hundred ninety-four thousand, nine hundred sixty-one".