190071974 has 32 divisors (see below), whose sum is σ = 309623040. Its totient is φ = 87292800.

The previous prime is 190071971. The next prime is 190071979. The reversal of 190071974 is 479170091.

It is a super-2 number, since 2×190071974² = 72254710600513352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190071971) 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, 108812 + ... + 110544.

It is an arithmetic number, because the mean of its divisors is an integer number (9675720).

Almost surely, 2^190071974 is an apocalyptic number.

190071974 is a deficient number, since it is larger than the sum of its proper divisors (119551066).

190071974 is a wasteful number, since it uses less digits than its factorization.

190071974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 190071974 is about 13786.6592762714. The cubic root of 190071974 is about 574.9622901546.

The spelling of 190071974 in words is "one hundred ninety million, seventy-one thousand, nine hundred seventy-four".