70739475 has 24 divisors (see below), whose sum is σ = 117200832. Its totient is φ = 37648800.

The previous prime is 70739453. The next prime is 70739479. The reversal of 70739475 is 57493707.

It is not a de Polignac number, because 70739475 - 2⁸ = 70739219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70739479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60244 + ... + 61406.

It is an arithmetic number, because the mean of its divisors is an integer number (4883368).

Almost surely, 2^70739475 is an apocalyptic number.

70739475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70739475 is a deficient number, since it is larger than the sum of its proper divisors (46461357).

70739475 is a wasteful number, since it uses less digits than its factorization.

70739475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 42.

The square root of 70739475 is about 8410.6762510514. The cubic root of 70739475 is about 413.5746816427.

The spelling of 70739475 in words is "seventy million, seven hundred thirty-nine thousand, four hundred seventy-five".