727994607 has 16 divisors (see below), whose sum is σ = 1009876992. Its totient is φ = 465968160.

The previous prime is 727994599. The next prime is 727994623. The reversal of 727994607 is 706499727.

It is a happy number.

It is not a de Polignac number, because 727994607 - 2³ = 727994599 is a prime.

It is a super-2 number, since 2×727994607² = 1059952295642168898, 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 727994607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727994677) 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, 19008 + ... + 42629.

It is an arithmetic number, because the mean of its divisors is an integer number (63117312).

Almost surely, 2^727994607 is an apocalyptic number.

727994607 is a deficient number, since it is larger than the sum of its proper divisors (281882385).

727994607 is a wasteful number, since it uses less digits than its factorization.

727994607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61798.

The product of its (nonzero) digits is 1333584, while the sum is 51.

The square root of 727994607 is about 26981.3751873399. The cubic root of 727994607 is about 899.5860676761.

The spelling of 727994607 in words is "seven hundred twenty-seven million, nine hundred ninety-four thousand, six hundred seven".