70073506 has 8 divisors (see below), whose sum is σ = 106833564. Its totient is φ = 34462320.

The previous prime is 70073467. The next prime is 70073519. The reversal of 70073506 is 60537007.

It can be written as a sum of positive squares in 2 ways, for example, as 52925625 + 17147881 = 7275^2 + 4141^2 .

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, 287065 + ... + 287308.

Almost surely, 2^70073506 is an apocalyptic number.

70073506 is a deficient number, since it is larger than the sum of its proper divisors (36760058).

70073506 is a wasteful number, since it uses less digits than its factorization.

70073506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574436.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 70073506 is about 8370.9919364434. The cubic root of 70073506 is about 412.2727362769.

It can be divided in two parts, 7007 and 3506, that multiplied together give a palindrome (24566542).

The spelling of 70073506 in words is "seventy million, seventy-three thousand, five hundred six".