1374750645 has 32 divisors (see below), whose sum is σ = 2404131840. Its totient is φ = 667806720.

The previous prime is 1374750617. The next prime is 1374750649. The reversal of 1374750645 is 5460574731.

It is a happy number.

It is not a de Polignac number, because 1374750645 - 2⁵ = 1374750613 is a prime.

It is a super-3 number, since 3×1374750645³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1374750597 and 1374750606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374750649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79050 + ... + 94859.

It is an arithmetic number, because the mean of its divisors is an integer number (75129120).

Almost surely, 2^1374750645 is an apocalyptic number.

1374750645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1374750645 is a deficient number, since it is larger than the sum of its proper divisors (1029381195).

1374750645 is a wasteful number, since it uses less digits than its factorization.

1374750645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173965.

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 1374750645 is about 37077.6299808928. The cubic root of 1374750645 is about 1111.9228217596.

The spelling of 1374750645 in words is "one billion, three hundred seventy-four million, seven hundred fifty thousand, six hundred forty-five".