195490074 has 24 divisors (see below), whose sum is σ = 423371232. Its totient is φ = 60150480.

The previous prime is 195490067. The next prime is 195490081. The reversal of 195490074 is 470094591.

It is an interprime number because it is at equal distance from previous prime (195490067) and next prime (195490081).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95382 + ... + 97409.

It is an arithmetic number, because the mean of its divisors is an integer number (17640468).

Almost surely, 2^195490074 is an apocalyptic number.

195490074 is an abundant number, since it is smaller than the sum of its proper divisors (227881158).

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

195490074 is a wasteful number, since it uses less digits than its factorization.

195490074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192822 (or 192809 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 195490074 is about 13981.7764965687. The cubic root of 195490074 is about 580.3743857125.

The spelling of 195490074 in words is "one hundred ninety-five million, four hundred ninety thousand, seventy-four".