1377722074 has 4 divisors (see below), whose sum is σ = 2066583114. Its totient is φ = 688861036.

The previous prime is 1377722051. The next prime is 1377722077. The reversal of 1377722074 is 4702277731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1279850625 + 97871449 = 35775^2 + 9893^2 .

It is a super-2 number, since 2×1377722074² = 3796236226373722952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1377722077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344430517 + ... + 344430520.

Almost surely, 2^1377722074 is an apocalyptic number.

1377722074 is a deficient number, since it is larger than the sum of its proper divisors (688861040).

1377722074 is an equidigital number, since it uses as much as digits as its factorization.

1377722074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688861039.

The product of its (nonzero) digits is 115248, while the sum is 40.

The square root of 1377722074 is about 37117.6787259117. The cubic root of 1377722074 is about 1112.7233601769.

The spelling of 1377722074 in words is "one billion, three hundred seventy-seven million, seven hundred twenty-two thousand, seventy-four".