70540867 has 2 divisors, whose sum is σ = 70540868. Its totient is φ = 70540866.

The previous prime is 70540859. The next prime is 70540879. The reversal of 70540867 is 76804507.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70540867 - 2³ = 70540859 is a prime.

It is a super-2 number, since 2×70540867² = 9952027834223378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70540807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35270433 + 35270434.

It is an arithmetic number, because the mean of its divisors is an integer number (35270434).

Almost surely, 2^70540867 is an apocalyptic number.

70540867 is a deficient number, since it is larger than the sum of its proper divisors (1).

70540867 is an equidigital number, since it uses as much as digits as its factorization.

70540867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 70540867 is about 8398.8610537382. The cubic root of 70540867 is about 413.1872683829.

The spelling of 70540867 in words is "seventy million, five hundred forty thousand, eight hundred sixty-seven".