70073497 has 16 divisors (see below), whose sum is σ = 77249088. Its totient is φ = 63172800.

The previous prime is 70073467. The next prime is 70073519. The reversal of 70073497 is 79437007.

It is a cyclic number.

It is not a de Polignac number, because 70073497 - 2⁷ = 70073369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70073407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108658 + ... + 109300.

It is an arithmetic number, because the mean of its divisors is an integer number (4828068).

Almost surely, 2^70073497 is an apocalyptic number.

It is an amenable number.

70073497 is a deficient number, since it is larger than the sum of its proper divisors (7175591).

70073497 is a wasteful number, since it uses less digits than its factorization.

70073497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 70073497 is about 8370.9913988727. The cubic root of 70073497 is about 412.2727186266.

The spelling of 70073497 in words is "seventy million, seventy-three thousand, four hundred ninety-seven".