70403131008 has 576 divisors, whose sum is σ = 248041984320. Its totient is φ = 19074908160.

The previous prime is 70403130991. The next prime is 70403131021. The reversal of 70403131008 is 80013130407.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×70403131008² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 273942016 + ... + 273942272.

It is an arithmetic number, because the mean of its divisors is an integer number (430628445).

Almost surely, 2^70403131008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70403131008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124020992160).

70403131008 is an abundant number, since it is smaller than the sum of its proper divisors (177638853312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70403131008 is a wasteful number, since it uses less digits than its factorization.

70403131008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 70403131008 in words is "seventy billion, four hundred three million, one hundred thirty-one thousand, eight".