70746961 has 4 divisors (see below), whose sum is σ = 70844212. Its totient is φ = 70649712.

The previous prime is 70746953. The next prime is 70746971. The reversal of 70746961 is 16964707.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57380625 + 13366336 = 7575^2 + 3656^2 .

It is a cyclic number.

It is not a de Polignac number, because 70746961 - 2³ = 70746953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70746931) 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, 47526 + ... + 48991.

It is an arithmetic number, because the mean of its divisors is an integer number (17711053).

Almost surely, 2^70746961 is an apocalyptic number.

It is an amenable number.

70746961 is a deficient number, since it is larger than the sum of its proper divisors (97251).

70746961 is an equidigital number, since it uses as much as digits as its factorization.

70746961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97250.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 70746961 is about 8411.1212688916. The cubic root of 70746961 is about 413.5892699653.

The spelling of 70746961 in words is "seventy million, seven hundred forty-six thousand, nine hundred sixty-one".