70374737 has 4 divisors (see below), whose sum is σ = 72091236. Its totient is φ = 68658240.

The previous prime is 70374721. The next prime is 70374739. The reversal of 70374737 is 73747307.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73747307 = 7643 ⋅9649.

It can be written as a sum of positive squares in 2 ways, for example, as 20939776 + 49434961 = 4576^2 + 7031^2 .

It is a cyclic number.

It is not a de Polignac number, because 70374737 - 2⁴ = 70374721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70374737.

It is not an unprimeable number, because it can be changed into a prime (70374739) 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, 858188 + ... + 858269.

It is an arithmetic number, because the mean of its divisors is an integer number (18022809).

Almost surely, 2^70374737 is an apocalyptic number.

It is an amenable number.

70374737 is a deficient number, since it is larger than the sum of its proper divisors (1716499).

70374737 is a wasteful number, since it uses less digits than its factorization.

70374737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716498.

The product of its (nonzero) digits is 86436, while the sum is 38.

The square root of 70374737 is about 8388.9651924418. The cubic root of 70374737 is about 412.8626491890.

The spelling of 70374737 in words is "seventy million, three hundred seventy-four thousand, seven hundred thirty-seven".