70390594 has 4 divisors (see below), whose sum is σ = 105585894. Its totient is φ = 35195296.

The previous prime is 70390589. The next prime is 70390597. The reversal of 70390594 is 49509307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49509307 = 19 ⋅2605753.

It can be written as a sum of positive squares in only one way, i.e., 70308225 + 82369 = 8385^2 + 287^2 .

It is not an unprimeable number, because it can be changed into a prime (70390597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17597647 + ... + 17597650.

Almost surely, 2^70390594 is an apocalyptic number.

70390594 is a deficient number, since it is larger than the sum of its proper divisors (35195300).

70390594 is a wasteful number, since it uses less digits than its factorization.

70390594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35195299.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 70390594 is about 8389.9102498179. The cubic root of 70390594 is about 412.8936559189.

The spelling of 70390594 in words is "seventy million, three hundred ninety thousand, five hundred ninety-four".