70740531353 has 4 divisors (see below), whose sum is σ = 70742120628. Its totient is φ = 70738942080.

The previous prime is 70740531347. The next prime is 70740531487. The reversal of 70740531353 is 35313504707.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33382213264 + 37358318089 = 182708^2 + 193283^2 .

It is a cyclic number.

It is not a de Polignac number, because 70740531353 - 2¹² = 70740527257 is a prime.

It is a super-2 number, since 2×70740531353² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70740531553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725888 + ... + 817553.

It is an arithmetic number, because the mean of its divisors is an integer number (17685530157).

Almost surely, 2^70740531353 is an apocalyptic number.

It is an amenable number.

70740531353 is a deficient number, since it is larger than the sum of its proper divisors (1589275).

70740531353 is a wasteful number, since it uses less digits than its factorization.

70740531353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589274.

The product of its (nonzero) digits is 132300, while the sum is 38.

The spelling of 70740531353 in words is "seventy billion, seven hundred forty million, five hundred thirty-one thousand, three hundred fifty-three".