791214645 has 16 divisors (see below), whose sum is σ = 1363324032. Its totient is φ = 389520960.

The previous prime is 791214631. The next prime is 791214649. The reversal of 791214645 is 546412197.

It is not a de Polignac number, because 791214645 - 2⁷ = 791214517 is a prime.

It is a super-2 number, since 2×791214645² = 1252041228924952050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791214649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2028561 + ... + 2028950.

It is an arithmetic number, because the mean of its divisors is an integer number (85207752).

Almost surely, 2^791214645 is an apocalyptic number.

It is an amenable number.

791214645 is a deficient number, since it is larger than the sum of its proper divisors (572109387).

791214645 is a wasteful number, since it uses less digits than its factorization.

791214645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057532.

The product of its digits is 60480, while the sum is 39.

The square root of 791214645 is about 28128.5379108122. The cubic root of 791214645 is about 924.9070839223.

The spelling of 791214645 in words is "seven hundred ninety-one million, two hundred fourteen thousand, six hundred forty-five".