70739974 has 4 divisors (see below), whose sum is σ = 106109964. Its totient is φ = 35369986.

The previous prime is 70739917. The next prime is 70740023. The reversal of 70739974 is 47993707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47993707 = 587 ⋅81761.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17684992 + ... + 17684995.

It is an arithmetic number, because the mean of its divisors is an integer number (26527491).

Almost surely, 2^70739974 is an apocalyptic number.

70739974 is a deficient number, since it is larger than the sum of its proper divisors (35369990).

70739974 is a wasteful number, since it uses less digits than its factorization.

70739974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35369989.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 70739974 is about 8410.7059156768. The cubic root of 70739974 is about 413.5756540996.

The spelling of 70739974 in words is "seventy million, seven hundred thirty-nine thousand, nine hundred seventy-four".