70470399 has 16 divisors (see below), whose sum is σ = 95841920. Its totient is φ = 46046880.

The previous prime is 70470397. The next prime is 70470401. The reversal of 70470399 is 99307407.

It is an interprime number because it is at equal distance from previous prime (70470397) and next prime (70470401).

It is not a de Polignac number, because 70470399 - 2¹ = 70470397 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70470397) 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, 45264 + ... + 46794.

It is an arithmetic number, because the mean of its divisors is an integer number (5990120).

Almost surely, 2^70470399 is an apocalyptic number.

70470399 is a deficient number, since it is larger than the sum of its proper divisors (25371521).

70470399 is a wasteful number, since it uses less digits than its factorization.

70470399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 70470399 is about 8394.6649129075. The cubic root of 70470399 is about 413.0496357239.

The spelling of 70470399 in words is "seventy million, four hundred seventy thousand, three hundred ninety-nine".