70494129 has 24 divisors (see below), whose sum is σ = 105777672. Its totient is φ = 45204480.

The previous prime is 70494107. The next prime is 70494167. The reversal of 70494129 is 92149407.

It can be written as a sum of positive squares in 4 ways, for example, as 13838400 + 56655729 = 3720^2 + 7527^2 .

It is not a de Polignac number, because 70494129 - 2⁵ = 70494097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70494093 and 70494102.

It is not an unprimeable number, because it can be changed into a prime (70494029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25629 + ... + 28245.

It is an arithmetic number, because the mean of its divisors is an integer number (4407403).

Almost surely, 2^70494129 is an apocalyptic number.

It is an amenable number.

70494129 is a deficient number, since it is larger than the sum of its proper divisors (35283543).

70494129 is a wasteful number, since it uses less digits than its factorization.

70494129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 70494129 is about 8396.0781916321. The cubic root of 70494129 is about 413.0959935706.

The spelling of 70494129 in words is "seventy million, four hundred ninety-four thousand, one hundred twenty-nine".