70790623 has 4 divisors (see below), whose sum is σ = 70808920. Its totient is φ = 70772328.

The previous prime is 70790611. The next prime is 70790677. The reversal of 70790623 is 32609707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70790623 - 2¹⁷ = 70659551 is a prime.

It is a super-2 number, since 2×70790623² = 10022624609456258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70790693) 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, 813 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (17702230).

Almost surely, 2^70790623 is an apocalyptic number.

70790623 is a deficient number, since it is larger than the sum of its proper divisors (18297).

70790623 is a wasteful number, since it uses less digits than its factorization.

70790623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18296.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 70790623 is about 8413.7163608004. The cubic root of 70790623 is about 413.6743356738.

The spelling of 70790623 in words is "seventy million, seven hundred ninety thousand, six hundred twenty-three".