70390023354 has 144 divisors (see below), whose sum is σ = 188960046912. Its totient is φ = 19236533184.

The previous prime is 70390023299. The next prime is 70390023359. The reversal of 70390023354 is 45332009307.

It is not an unprimeable number, because it can be changed into a prime (70390023359) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1780102 + ... + 1819214.

It is an arithmetic number, because the mean of its divisors is an integer number (1312222548).

Almost surely, 2^70390023354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70390023354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94480023456).

70390023354 is an abundant number, since it is smaller than the sum of its proper divisors (118570023558).

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

70390023354 is a wasteful number, since it uses less digits than its factorization.

70390023354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39183 (or 39148 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The spelling of 70390023354 in words is "seventy billion, three hundred ninety million, twenty-three thousand, three hundred fifty-four".