70403453 has 4 divisors (see below), whose sum is σ = 70435200. Its totient is φ = 70371708.

The previous prime is 70403441. The next prime is 70403467. The reversal of 70403453 is 35430407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35430407 = 251 ⋅141157.

It is a cyclic number.

It is not a de Polignac number, because 70403453 - 2⁸ = 70403197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70403413) 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 3 ways as a sum of consecutive naturals, for example, 12275 + ... + 17072.

It is an arithmetic number, because the mean of its divisors is an integer number (17608800).

Almost surely, 2^70403453 is an apocalyptic number.

It is an amenable number.

70403453 is a deficient number, since it is larger than the sum of its proper divisors (31747).

70403453 is a wasteful number, since it uses less digits than its factorization.

70403453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31746.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 70403453 is about 8390.6765519832. The cubic root of 70403453 is about 412.9187969495.

The spelling of 70403453 in words is "seventy million, four hundred three thousand, four hundred fifty-three".