70453664 has 12 divisors (see below), whose sum is σ = 138705714. Its totient is φ = 35226816.

The previous prime is 70453657. The next prime is 70453667. The reversal of 70453664 is 46635407.

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 2226064 = 8260^2 + 1492^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (70453667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100807 + ... + 1100870.

Almost surely, 2^70453664 is an apocalyptic number.

It is an amenable number.

70453664 is a deficient number, since it is larger than the sum of its proper divisors (68252050).

70453664 is a wasteful number, since it uses less digits than its factorization.

70453664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201687 (or 2201679 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 70453664 is about 8393.6680896971. The cubic root of 70453664 is about 413.0169367325.

It can be divided in two parts, 70453 and 664, that added together give a palindrome (71117).

The spelling of 70453664 in words is "seventy million, four hundred fifty-three thousand, six hundred sixty-four".