70409053 has 24 divisors (see below), whose sum is σ = 88281144. Its totient is φ = 55587840.

The previous prime is 70409051. The next prime is 70409077. The reversal of 70409053 is 35090407.

70409053 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 4 ways, for example, as 1800964 + 68608089 = 1342^2 + 8283^2 .

It is not a de Polignac number, because 70409053 - 2¹ = 70409051 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70409051) 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, 25425 + ... + 28057.

It is an arithmetic number, because the mean of its divisors is an integer number (3678381).

Almost surely, 2^70409053 is an apocalyptic number.

It is an amenable number.

70409053 is a deficient number, since it is larger than the sum of its proper divisors (17872091).

70409053 is a wasteful number, since it uses less digits than its factorization.

70409053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 70409053 is about 8391.0102490701. The cubic root of 70409053 is about 412.9297447267.

The spelling of 70409053 in words is "seventy million, four hundred nine thousand, fifty-three".