1073725437 has 16 divisors (see below), whose sum is σ = 1476485120. Its totient is φ = 693654192.

The previous prime is 1073725427. The next prime is 1073725469. The reversal of 1073725437 is 7345273701.

It is not a de Polignac number, because 1073725437 - 2⁴ = 1073725421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1073725395 and 1073725404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073725427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16387 + ... + 49152.

It is an arithmetic number, because the mean of its divisors is an integer number (92280320).

Almost surely, 2^1073725437 is an apocalyptic number.

It is an amenable number.

1073725437 is a deficient number, since it is larger than the sum of its proper divisors (402759683).

1073725437 is a wasteful number, since it uses less digits than its factorization.

1073725437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65712.

The product of its (nonzero) digits is 123480, while the sum is 39.

The square root of 1073725437 is about 32767.7499532696. The cubic root of 1073725437 is about 1023.9947906865.

The spelling of 1073725437 in words is "one billion, seventy-three million, seven hundred twenty-five thousand, four hundred thirty-seven".