70401930 has 128 divisors (see below), whose sum is σ = 190273536. Its totient is φ = 16588800.

The previous prime is 70401923. The next prime is 70401931. The reversal of 70401930 is 3910407.

70401930 = T₄₆₆ + T₄₆₇ + ... + T₈₀₅.

It is a self number, because there is not a number n which added to its sum of digits gives 70401930.

It is not an unprimeable number, because it can be changed into a prime (70401931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 964374 + ... + 964446.

It is an arithmetic number, because the mean of its divisors is an integer number (1486512).

Almost surely, 2^70401930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70401930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95136768).

70401930 is an abundant number, since it is smaller than the sum of its proper divisors (119871606).

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

70401930 is a wasteful number, since it uses less digits than its factorization.

70401930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 70401930 is about 8390.5857959978. The cubic root of 70401930 is about 412.9158194447.

The spelling of 70401930 in words is "seventy million, four hundred one thousand, nine hundred thirty".