2472745 has 8 divisors (see below), whose sum is σ = 3237120. Its totient is φ = 1798320.

The previous prime is 2472737. The next prime is 2472781. The reversal of 2472745 is 5472742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2472745 - 2³ = 2472737 is a prime.

It is a super-2 number, since 2×2472745² = 12228935670050, which contains 22 as substring.

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, 22425 + ... + 22534.

It is an arithmetic number, because the mean of its divisors is an integer number (404640).

2^2472745 is an apocalyptic number.

It is an amenable number.

2472745 is a deficient number, since it is larger than the sum of its proper divisors (764375).

2472745 is a wasteful number, since it uses less digits than its factorization.

2472745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44975.

The product of its digits is 15680, while the sum is 31.

The square root of 2472745 is about 1572.4964228894. The cubic root of 2472745 is about 135.2258678898.

It can be divided in two parts, 247 and 2745, that added together give a palindrome (2992).

The spelling of 2472745 in words is "two million, four hundred seventy-two thousand, seven hundred forty-five".