1370745 has 24 divisors (see below), whose sum is σ = 2411136. Its totient is φ = 720288.

The previous prime is 1370741. The next prime is 1370749. The reversal of 1370745 is 5470731.

It is an interprime number because it is at equal distance from previous prime (1370741) and next prime (1370749).

It is not a de Polignac number, because 1370745 - 2² = 1370741 is a prime.

1370745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1370741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3552 + ... + 3918.

It is an arithmetic number, because the mean of its divisors is an integer number (100464).

2^1370745 is an apocalyptic number.

1370745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1370745 is a deficient number, since it is larger than the sum of its proper divisors (1040391).

1370745 is a wasteful number, since it uses less digits than its factorization.

1370745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 1370745 is about 1170.7881960457. The cubic root of 1370745 is about 111.0841825483.

The spelling of 1370745 in words is "one million, three hundred seventy thousand, seven hundred forty-five".