2672472397 has 12 divisors (see below), whose sum is σ = 3209079936. Its totient is φ = 2216796120.

The previous prime is 2672472389. The next prime is 2672472461. The reversal of 2672472397 is 7932742762.

It is a happy number.

It is not a de Polignac number, because 2672472397 - 2³ = 2672472389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2672472397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2672472307) 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 11 ways as a sum of consecutive naturals, for example, 878163 + ... + 881200.

It is an arithmetic number, because the mean of its divisors is an integer number (267423328).

Almost surely, 2^2672472397 is an apocalyptic number.

It is an amenable number.

2672472397 is a deficient number, since it is larger than the sum of its proper divisors (536607539).

2672472397 is a wasteful number, since it uses less digits than its factorization.

2672472397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759408 (or 1759401 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 49.

The square root of 2672472397 is about 51695.9611285060. The cubic root of 2672472397 is about 1387.7281863919.

The spelling of 2672472397 in words is "two billion, six hundred seventy-two million, four hundred seventy-two thousand, three hundred ninety-seven".