7478698 has 4 divisors (see below), whose sum is σ = 11218050. Its totient is φ = 3739348.

The previous prime is 7478683. The next prime is 7478701. The reversal of 7478698 is 8968747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8968747 = 1951 ⋅4597.

It can be written as a sum of positive squares in only one way, i.e., 7469289 + 9409 = 2733^2 + 97^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1869673 + ... + 1869676.

Almost surely, 2^7478698 is an apocalyptic number.

7478698 is a deficient number, since it is larger than the sum of its proper divisors (3739352).

7478698 is a wasteful number, since it uses less digits than its factorization.

7478698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739351.

The product of its digits is 677376, while the sum is 49.

The square root of 7478698 is about 2734.7208267024. The cubic root of 7478698 is about 195.5578851928.

Adding to 7478698 its sum of digits (49), we get a palindrome (7478747).

The spelling of 7478698 in words is "seven million, four hundred seventy-eight thousand, six hundred ninety-eight".