7472738 has 32 divisors (see below), whose sum is σ = 14528640. Its totient is φ = 2799360.

The previous prime is 7472737. The next prime is 7472747. The reversal of 7472738 is 8372747.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a d-powerful number, because it can be written as 7² + 4⁸ + 7³ + 2¹⁹ + 7⁴ + 3¹⁴ + 8⁷ .

It is a Curzon number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7472737) 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, 2378 + ... + 4538.

It is an arithmetic number, because the mean of its divisors is an integer number (454020).

Almost surely, 2^7472738 is an apocalyptic number.

7472738 is a deficient number, since it is larger than the sum of its proper divisors (7055902).

7472738 is a wasteful number, since it uses less digits than its factorization.

7472738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its digits is 65856, while the sum is 38.

The square root of 7472738 is about 2733.6309187599. The cubic root of 7472738 is about 195.5059227279.

Subtracting 7472738 from its reverse (8372747), we obtain a palindrome (900009).

The spelling of 7472738 in words is "seven million, four hundred seventy-two thousand, seven hundred thirty-eight".