1377491274 has 24 divisors (see below), whose sum is σ = 2985353280. Its totient is φ = 459042408.

The previous prime is 1377491267. The next prime is 1377491281. The reversal of 1377491274 is 4721947731.

1377491274 is a `hidden beast` number, since 1 + 377 + 4 + 9 + 1 + 274 = 666.

It is an interprime number because it is at equal distance from previous prime (1377491267) and next prime (1377491281).

It is a super-2 number, since 2×1377491274² = 3794964419892286152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83109 + ... + 98295.

It is an arithmetic number, because the mean of its divisors is an integer number (124389720).

Almost surely, 2^1377491274 is an apocalyptic number.

1377491274 is an abundant number, since it is smaller than the sum of its proper divisors (1607862006).

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

1377491274 is a wasteful number, since it uses less digits than its factorization.

1377491274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20234 (or 20231 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 1377491274 is about 37114.5695650643. The cubic root of 1377491274 is about 1112.6612211580.

The spelling of 1377491274 in words is "one billion, three hundred seventy-seven million, four hundred ninety-one thousand, two hundred seventy-four".