10621974 has 32 divisors (see below), whose sum is σ = 24541056. Its totient is φ = 3029120.

The previous prime is 10621973. The next prime is 10621981. The reversal of 10621974 is 47912601.

It is a happy number.

It is a super-2 number, since 2×10621974² = 225652663313352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621973) 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, 3612 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (766908).

Almost surely, 2^10621974 is an apocalyptic number.

10621974 is an abundant number, since it is smaller than the sum of its proper divisors (13919082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10621974 is a wasteful number, since it uses less digits than its factorization.

10621974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 10621974 is about 3259.1370023367. The cubic root of 10621974 is about 219.8206113415.

The spelling of 10621974 in words is "ten million, six hundred twenty-one thousand, nine hundred seventy-four".