1051764738 has 32 divisors (see below), whose sum is σ = 2287471104. Its totient is φ = 321046272.

The previous prime is 1051764733. The next prime is 1051764751. The reversal of 1051764738 is 8374671501.

It is a super-2 number, since 2×1051764738² = 2212418128200417288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051764738.

It is not an unprimeable number, because it can be changed into a prime (1051764733) 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, 135570 + ... + 143117.

It is an arithmetic number, because the mean of its divisors is an integer number (71483472).

Almost surely, 2^1051764738 is an apocalyptic number.

1051764738 is an abundant number, since it is smaller than the sum of its proper divisors (1235706366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051764738 is a wasteful number, since it uses less digits than its factorization.

1051764738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278746.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1051764738 is about 32430.9225585705. The cubic root of 1051764738 is about 1016.9654581907.

The spelling of 1051764738 in words is "one billion, fifty-one million, seven hundred sixty-four thousand, seven hundred thirty-eight".