1487073794 has 4 divisors (see below), whose sum is σ = 2230610694. Its totient is φ = 743536896.

The previous prime is 1487073787. The next prime is 1487073823. The reversal of 1487073794 is 4973707841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4973707841 = 23 ⋅216248167.

It can be written as a sum of positive squares in only one way, i.e., 1356817225 + 130256569 = 36835^2 + 11413^2 .

It is a super-2 number, since 2×1487073794² = 4422776937603108872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371768447 + ... + 371768450.

Almost surely, 2^1487073794 is an apocalyptic number.

1487073794 is a deficient number, since it is larger than the sum of its proper divisors (743536900).

1487073794 is an equidigital number, since it uses as much as digits as its factorization.

1487073794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743536899.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 1487073794 is about 38562.5957891841. The cubic root of 1487073794 is about 1141.4165713376.

The spelling of 1487073794 in words is "one billion, four hundred eighty-seven million, seventy-three thousand, seven hundred ninety-four".