70312642 has 8 divisors (see below), whose sum is σ = 105699132. Its totient is φ = 35079600.

The previous prime is 70312637. The next prime is 70312657. The reversal of 70312642 is 24621307.

It can be written as a sum of positive squares in 2 ways, for example, as 69705801 + 606841 = 8349^2 + 779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37209 + ... + 39052.

Almost surely, 2^70312642 is an apocalyptic number.

70312642 is a deficient number, since it is larger than the sum of its proper divisors (35386490).

70312642 is a wasteful number, since it uses less digits than its factorization.

70312642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76724.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 70312642 is about 8385.2633828640. The cubic root of 70312642 is about 412.7411839627.

Adding to 70312642 its reverse (24621307), we get a palindrome (94933949).

The spelling of 70312642 in words is "seventy million, three hundred twelve thousand, six hundred forty-two".