1564464074 has 16 divisors (see below), whose sum is σ = 2365612128. Its totient is φ = 775950672.

The previous prime is 1564464067. The next prime is 1564464079. The reversal of 1564464074 is 4704644651.

It is not an unprimeable number, because it can be changed into a prime (1564464079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130997 + ... + 142439.

It is an arithmetic number, because the mean of its divisors is an integer number (147850758).

Almost surely, 2^1564464074 is an apocalyptic number.

1564464074 is a deficient number, since it is larger than the sum of its proper divisors (801148054).

1564464074 is a wasteful number, since it uses less digits than its factorization.

1564464074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11989.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 1564464074 is about 39553.3067391337. The cubic root of 1564464074 is about 1160.8832140996.

The spelling of 1564464074 in words is "one billion, five hundred sixty-four million, four hundred sixty-four thousand, seventy-four".