74672190 has 96 divisors (see below), whose sum is σ = 201277440. Its totient is φ = 19196352.

The previous prime is 74672141. The next prime is 74672201. The reversal of 74672190 is 9127647.

It is a happy number.

74672190 is a `hidden beast` number, since 7 + 467 + 2 + 190 = 666.

It is a super-2 number, since 2×74672190² = 11151871918792200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 537141 + ... + 537279.

It is an arithmetic number, because the mean of its divisors is an integer number (2096640).

Almost surely, 2^74672190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74672190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100638720).

74672190 is an abundant number, since it is smaller than the sum of its proper divisors (126605250).

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

74672190 is a wasteful number, since it uses less digits than its factorization.

74672190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 74672190 is about 8641.3071927805. The cubic root of 74672190 is about 421.1010227305.

The spelling of 74672190 in words is "seventy-four million, six hundred seventy-two thousand, one hundred ninety".