1072972894 has 48 divisors (see below), whose sum is σ = 1935503856. Its totient is φ = 444528000.

The previous prime is 1072972891. The next prime is 1072972897. The reversal of 1072972894 is 4982792701.

It is an interprime number because it is at equal distance from previous prime (1072972891) and next prime (1072972897).

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072972891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 424354 + ... + 426874.

It is an arithmetic number, because the mean of its divisors is an integer number (40322997).

Almost surely, 2^1072972894 is an apocalyptic number.

1072972894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1072972894 is a deficient number, since it is larger than the sum of its proper divisors (862530962).

1072972894 is a wasteful number, since it uses less digits than its factorization.

1072972894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 2674 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 1072972894 is about 32756.2649580199. The cubic root of 1072972894 is about 1023.7555053640.

The spelling of 1072972894 in words is "one billion, seventy-two million, nine hundred seventy-two thousand, eight hundred ninety-four".