70442750 has 32 divisors (see below), whose sum is σ = 150710976. Its totient is φ = 24151200.

The previous prime is 70442719. The next prime is 70442791. The reversal of 70442750 is 5724407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18377 + ... + 21876.

It is an arithmetic number, because the mean of its divisors is an integer number (4709718).

Almost surely, 2^70442750 is an apocalyptic number.

70442750 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70442750 is an abundant number, since it is smaller than the sum of its proper divisors (80268226).

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

70442750 is a wasteful number, since it uses less digits than its factorization.

70442750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40277 (or 40267 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 70442750 is about 8393.0179315905. The cubic root of 70442750 is about 412.9956087685.

The spelling of 70442750 in words is "seventy million, four hundred forty-two thousand, seven hundred fifty".