190073406 has 16 divisors (see below), whose sum is σ = 380450448. Its totient is φ = 63307200.

The previous prime is 190073399. The next prime is 190073441. The reversal of 190073406 is 604370091.

It is a happy number.

190073406 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190073406² = 72255799336881672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4065 + ... + 19916.

It is an arithmetic number, because the mean of its divisors is an integer number (23778153).

Almost surely, 2^190073406 is an apocalyptic number.

190073406 is an abundant number, since it is smaller than the sum of its proper divisors (190377042).

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

190073406 is a wasteful number, since it uses less digits than its factorization.

190073406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25307.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 190073406 is about 13786.7112104374. The cubic root of 190073406 is about 574.9637340706.

The spelling of 190073406 in words is "one hundred ninety million, seventy-three thousand, four hundred six".