70722001365531 has 8 divisors (see below), whose sum is σ = 94296544425984. Its totient is φ = 47147729607720.

The previous prime is 70722001365481. The next prime is 70722001365563. The reversal of 70722001365531 is 13556310022707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70722001365531 - 2³⁹ = 70172245551643 is a prime.

It is a super-3 number, since 3×70722001365531³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (70722011365531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67216635 + ... + 68260676.

It is an arithmetic number, because the mean of its divisors is an integer number (11787068053248).

Almost surely, 2^{70722001365531} is an apocalyptic number.

70722001365531 is a deficient number, since it is larger than the sum of its proper divisors (23574543060453).

70722001365531 is a wasteful number, since it uses less digits than its factorization.

70722001365531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135651321.

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 70722001365531 in words is "seventy trillion, seven hundred twenty-two billion, one million, three hundred sixty-five thousand, five hundred thirty-one".