730071142 has 16 divisors (see below), whose sum is σ = 1136369664. Its totient is φ = 351405000.

The previous prime is 730071113. The next prime is 730071169. The reversal of 730071142 is 241170037.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18984 + ... + 42667.

It is an arithmetic number, because the mean of its divisors is an integer number (71023104).

Almost surely, 2^730071142 is an apocalyptic number.

730071142 is a deficient number, since it is larger than the sum of its proper divisors (406298522).

730071142 is a wasteful number, since it uses less digits than its factorization.

730071142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61875.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 730071142 is about 27019.8286819143. The cubic root of 730071142 is about 900.4405834598.

The spelling of 730071142 in words is "seven hundred thirty million, seventy-one thousand, one hundred forty-two".