70790421 has 16 divisors (see below), whose sum is σ = 105154560. Its totient is φ = 42060480.

The previous prime is 70790407. The next prime is 70790437. The reversal of 70790421 is 12409707.

It is not a de Polignac number, because 70790421 - 2⁹ = 70789909 is a prime.

It is a super-2 number, since 2×70790421² = 10022567410714482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70790441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30165 + ... + 32426.

It is an arithmetic number, because the mean of its divisors is an integer number (6572160).

Almost surely, 2^70790421 is an apocalyptic number.

It is an amenable number.

70790421 is a deficient number, since it is larger than the sum of its proper divisors (34364139).

70790421 is a wasteful number, since it uses less digits than its factorization.

70790421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62636.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 70790421 is about 8413.7043565840. The cubic root of 70790421 is about 413.6739422022.

The spelling of 70790421 in words is "seventy million, seven hundred ninety thousand, four hundred twenty-one".