1522940749 has 8 divisors (see below), whose sum is σ = 1682421120. Its totient is φ = 1366965600.

The previous prime is 1522940729. The next prime is 1522940759. The reversal of 1522940749 is 9470492251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1522940749 - 2⁵ = 1522940717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522940729) 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 in 7 ways as a sum of consecutive naturals, for example, 875392 + ... + 877129.

It is an arithmetic number, because the mean of its divisors is an integer number (210302640).

Almost surely, 2^1522940749 is an apocalyptic number.

It is an amenable number.

1522940749 is a deficient number, since it is larger than the sum of its proper divisors (159480371).

1522940749 is a wasteful number, since it uses less digits than its factorization.

1522940749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752611.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1522940749 is about 39024.8734655220. The cubic root of 1522940749 is about 1150.5204321179.

The spelling of 1522940749 in words is "one billion, five hundred twenty-two million, nine hundred forty thousand, seven hundred forty-nine".