45973646 has 4 divisors (see below), whose sum is σ = 68960472. Its totient is φ = 22986822.

The previous prime is 45973643. The next prime is 45973657. The reversal of 45973646 is 64637954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64637954 = 2 ⋅32318977.

It is a super-2 number, since 2×45973646² = 4227152253066632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45973597 and 45973606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45973643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11493410 + ... + 11493413.

It is an arithmetic number, because the mean of its divisors is an integer number (17240118).

Almost surely, 2^45973646 is an apocalyptic number.

45973646 is a deficient number, since it is larger than the sum of its proper divisors (22986826).

45973646 is a wasteful number, since it uses less digits than its factorization.

45973646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22986825.

The product of its digits is 544320, while the sum is 44.

The square root of 45973646 is about 6780.3868621193. The cubic root of 45973646 is about 358.2363482014.

The spelling of 45973646 in words is "forty-five million, nine hundred seventy-three thousand, six hundred forty-six".