64954470 has 64 divisors (see below), whose sum is σ = 181979136. Its totient is φ = 14528640.

The previous prime is 64954459. The next prime is 64954481. The reversal of 64954470 is 7445946.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64954459) and next prime (64954481).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6580 + ... + 13160.

It is an arithmetic number, because the mean of its divisors is an integer number (2843424).

Almost surely, 2^64954470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64954470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90989568).

64954470 is an abundant number, since it is smaller than the sum of its proper divisors (117024666).

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

64954470 is a wasteful number, since it uses less digits than its factorization.

64954470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 64954470 is about 8059.4336029277. The cubic root of 64954470 is about 401.9786751392.

The spelling of 64954470 in words is "sixty-four million, nine hundred fifty-four thousand, four hundred seventy".