70145374 has 32 divisors (see below), whose sum is σ = 121040640. Its totient is φ = 30240000.

The previous prime is 70145371. The next prime is 70145381. The reversal of 70145374 is 47354107.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70145371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21874 + ... + 24874.

It is an arithmetic number, because the mean of its divisors is an integer number (3782520).

Almost surely, 2^70145374 is an apocalyptic number.

70145374 is a deficient number, since it is larger than the sum of its proper divisors (50895266).

70145374 is a wasteful number, since it uses less digits than its factorization.

70145374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70145374 is about 8375.2835175891. The cubic root of 70145374 is about 412.4136316268.

The spelling of 70145374 in words is "seventy million, one hundred forty-five thousand, three hundred seventy-four".