1070728492 has 6 divisors (see below), whose sum is σ = 1873774868. Its totient is φ = 535364244.

The previous prime is 1070728471. The next prime is 1070728501. The reversal of 1070728492 is 2948270701.

1070728492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1070728492² = 2292919007161188128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133841058 + ... + 133841065.

Almost surely, 2^1070728492 is an apocalyptic number.

It is an amenable number.

1070728492 is a deficient number, since it is larger than the sum of its proper divisors (803046376).

1070728492 is a wasteful number, since it uses less digits than its factorization.

1070728492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267682127 (or 267682125 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 1070728492 is about 32721.9878980480. The cubic root of 1070728492 is about 1023.0411900651.

The spelling of 1070728492 in words is "one billion, seventy million, seven hundred twenty-eight thousand, four hundred ninety-two".