1542620675 has 6 divisors (see below), whose sum is σ = 1912849668. Its totient is φ = 1234096520.

The previous prime is 1542620671. The next prime is 1542620683. The reversal of 1542620675 is 5760262451.

It is not a de Polignac number, because 1542620675 - 2² = 1542620671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542620671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30852389 + ... + 30852438.

It is an arithmetic number, because the mean of its divisors is an integer number (318808278).

Almost surely, 2^1542620675 is an apocalyptic number.

1542620675 is a deficient number, since it is larger than the sum of its proper divisors (370228993).

1542620675 is an equidigital number, since it uses as much as digits as its factorization.

1542620675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61704837 (or 61704832 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 1542620675 is about 39276.2100386481. The cubic root of 1542620675 is about 1155.4550345646.

The spelling of 1542620675 in words is "one billion, five hundred forty-two million, six hundred twenty thousand, six hundred seventy-five".