70744402 has 8 divisors (see below), whose sum is σ = 106154316. Its totient is φ = 35359632.

The previous prime is 70744337. The next prime is 70744403. The reversal of 70744402 is 20444707.

It can be written as a sum of positive squares in 2 ways, for example, as 70073641 + 670761 = 8371^2 + 819^2 .

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

It is not an unprimeable number, because it can be changed into a prime (70744403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4348 + ... + 12664.

Almost surely, 2^70744402 is an apocalyptic number.

70744402 is a deficient number, since it is larger than the sum of its proper divisors (35409914).

70744402 is a wasteful number, since it uses less digits than its factorization.

70744402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12572.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 70744402 is about 8410.9691474883. The cubic root of 70744402 is about 413.5842832366.

It can be divided in two parts, 7074 and 4402, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 70744402 in words is "seventy million, seven hundred forty-four thousand, four hundred two".