70900961 has 2 divisors, whose sum is σ = 70900962. Its totient is φ = 70900960.

The previous prime is 70900939. The next prime is 70900967. The reversal of 70900961 is 16900907.

70900961 is nontrivially palindromic in base 2.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48385936 + 22515025 = 6956^2 + 4745^2 .

It is a cyclic number.

It is not a de Polignac number, because 70900961 - 2¹⁰ = 70899937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70900967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35450480 + 35450481.

It is an arithmetic number, because the mean of its divisors is an integer number (35450481).

Almost surely, 2^70900961 is an apocalyptic number.

It is an amenable number.

70900961 is a deficient number, since it is larger than the sum of its proper divisors (1).

70900961 is an equidigital number, since it uses as much as digits as its factorization.

70900961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 70900961 is about 8420.2708388745. The cubic root of 70900961 is about 413.8891489878.

The spelling of 70900961 in words is "seventy million, nine hundred thousand, nine hundred sixty-one".