70045451 has 12 divisors (see below), whose sum is σ = 81962352. Its totient is φ = 59684688.

The previous prime is 70045447. The next prime is 70045483. The reversal of 70045451 is 15454007.

It is not a de Polignac number, because 70045451 - 2² = 70045447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70045451.

It is not an unprimeable number, because it can be changed into a prime (70045441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4346 + ... + 12608.

It is an arithmetic number, because the mean of its divisors is an integer number (6830196).

Almost surely, 2^70045451 is an apocalyptic number.

70045451 is a deficient number, since it is larger than the sum of its proper divisors (11916901).

70045451 is a wasteful number, since it uses less digits than its factorization.

70045451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450 (or 8443 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 70045451 is about 8369.3160413501. The cubic root of 70045451 is about 412.2177090338.

Adding to 70045451 its reverse (15454007), we get a palindrome (85499458).

The spelling of 70045451 in words is "seventy million, forty-five thousand, four hundred fifty-one".