70621146 has 28 divisors (see below), whose sum is σ = 158828202. Its totient is φ = 23539896.

The previous prime is 70621129. The next prime is 70621153. The reversal of 70621146 is 64112607.

It can be written as a sum of positive squares in only one way, i.e., 62583921 + 8037225 = 7911^2 + 2835^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 22761 + ... + 25676.

Almost surely, 2^70621146 is an apocalyptic number.

70621146 is an abundant number, since it is smaller than the sum of its proper divisors (88207056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70621146 is an equidigital number, since it uses as much as digits as its factorization.

70621146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48457 (or 48442 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70621146 is about 8403.6388546867. The cubic root of 70621146 is about 413.3439514847.

The spelling of 70621146 in words is "seventy million, six hundred twenty-one thousand, one hundred forty-six".