1064723572 has 24 divisors (see below), whose sum is σ = 2071010592. Its totient is φ = 474832800.

The previous prime is 1064723537. The next prime is 1064723573. The reversal of 1064723572 is 2753274601.

It is a happy number.

It is a super-2 number, since 2×1064723572² = 2267272569544878368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064723573) 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, 225954 + ... + 230617.

It is an arithmetic number, because the mean of its divisors is an integer number (86292108).

Almost surely, 2^1064723572 is an apocalyptic number.

It is an amenable number.

1064723572 is a deficient number, since it is larger than the sum of its proper divisors (1006287020).

1064723572 is a wasteful number, since it uses less digits than its factorization.

1064723572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456639 (or 456637 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 1064723572 is about 32630.1022370449. The cubic root of 1064723572 is about 1021.1251111745.

The spelling of 1064723572 in words is "one billion, sixty-four million, seven hundred twenty-three thousand, five hundred seventy-two".