1070729842 has 128 divisors (see below), whose sum is σ = 2145927168. Its totient is φ = 389491200.

The previous prime is 1070729813. The next prime is 1070729843. The reversal of 1070729842 is 2489270701.

It is a super-2 number, since 2×1070729842² = 2292924789098689928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1070729795 and 1070729804.

It is not an unprimeable number, because it can be changed into a prime (1070729843) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15080667 + ... + 15080737.

It is an arithmetic number, because the mean of its divisors is an integer number (16765056).

Almost surely, 2^1070729842 is an apocalyptic number.

1070729842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1070729842 is a wasteful number, since it uses less digits than its factorization.

1070729842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

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

The square root of 1070729842 is about 32722.0085263726. The cubic root of 1070729842 is about 1023.0416200232.

The spelling of 1070729842 in words is "one billion, seventy million, seven hundred twenty-nine thousand, eight hundred forty-two".