70997491026 has 192 divisors, whose sum is σ = 208394035200. Its totient is φ = 16906579200.

The previous prime is 70997491003. The next prime is 70997491031. The reversal of 70997491026 is 62019479907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 772870 + ... + 859838.

It is an arithmetic number, because the mean of its divisors is an integer number (1085385600).

Almost surely, 2^70997491026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70997491026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104197017600).

70997491026 is an abundant number, since it is smaller than the sum of its proper divisors (137396544174).

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

70997491026 is a wasteful number, since it uses less digits than its factorization.

70997491026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87045 (or 87042 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 70997491026 in words is "seventy billion, nine hundred ninety-seven million, four hundred ninety-one thousand, twenty-six".