1542077074 has 4 divisors (see below), whose sum is σ = 2313115614. Its totient is φ = 771038536.

The previous prime is 1542077063. The next prime is 1542077149. The reversal of 1542077074 is 4707702451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4707702451 = 41 ⋅114822011.

It can be written as a sum of positive squares in only one way, i.e., 1508934025 + 33143049 = 38845^2 + 5757^2 .

It is an unprimeable number.

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, 385519267 + ... + 385519270.

Almost surely, 2^1542077074 is an apocalyptic number.

1542077074 is a deficient number, since it is larger than the sum of its proper divisors (771038540).

1542077074 is an equidigital number, since it uses as much as digits as its factorization.

1542077074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771038539.

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 1542077074 is about 39269.2891965210. The cubic root of 1542077074 is about 1155.3192957932.

The spelling of 1542077074 in words is "one billion, five hundred forty-two million, seventy-seven thousand, seventy-four".