45732646 has 4 divisors (see below), whose sum is σ = 68598972. Its totient is φ = 22866322.

The previous prime is 45732619. The next prime is 45732647. The reversal of 45732646 is 64623754.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×45732646² = 4182949820322632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45732647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11433160 + ... + 11433163.

It is an arithmetic number, because the mean of its divisors is an integer number (17149743).

Almost surely, 2^45732646 is an apocalyptic number.

45732646 is a deficient number, since it is larger than the sum of its proper divisors (22866326).

45732646 is a wasteful number, since it uses less digits than its factorization.

45732646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22866325.

The product of its digits is 120960, while the sum is 37.

The square root of 45732646 is about 6762.5916629647. The cubic root of 45732646 is about 357.6092769107.

The spelling of 45732646 in words is "forty-five million, seven hundred thirty-two thousand, six hundred forty-six".