745187046 has 8 divisors (see below), whose sum is σ = 1490374104. Its totient is φ = 248395680.

The previous prime is 745187039. The next prime is 745187059. The reversal of 745187046 is 640781547.

It is a sphenic number, since it is the product of 3 distinct primes.

745187046 is an admirable number.

It is a super-2 number, since 2×745187046² = 1110607467052412232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 745186989 and 745187007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62098915 + ... + 62098926.

It is an arithmetic number, because the mean of its divisors is an integer number (186296763).

Almost surely, 2^745187046 is an apocalyptic number.

745187046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

745187046 is a wasteful number, since it uses less digits than its factorization.

745187046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124197846.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 745187046 is about 27298.1143304808. The cubic root of 745187046 is about 906.6126313733.

The spelling of 745187046 in words is "seven hundred forty-five million, one hundred eighty-seven thousand, forty-six".