1073772557 has 16 divisors (see below), whose sum is σ = 1264576320. Its totient is φ = 898867200.

The previous prime is 1073772551. The next prime is 1073772563. The reversal of 1073772557 is 7552773701.

It is an interprime number because it is at equal distance from previous prime (1073772551) and next prime (1073772563).

It is not a de Polignac number, because 1073772557 - 2⁴ = 1073772541 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 (1073772551) 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, 50957 + ... + 68877.

It is an arithmetic number, because the mean of its divisors is an integer number (79036020).

Almost surely, 2^1073772557 is an apocalyptic number.

It is an amenable number.

1073772557 is a deficient number, since it is larger than the sum of its proper divisors (190803763).

1073772557 is a wasteful number, since it uses less digits than its factorization.

1073772557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18364.

The product of its (nonzero) digits is 360150, while the sum is 44.

The square root of 1073772557 is about 32768.4689450087. The cubic root of 1073772557 is about 1024.0097696644.

The spelling of 1073772557 in words is "one billion, seventy-three million, seven hundred seventy-two thousand, five hundred fifty-seven".