42464730 has 128 divisors (see below), whose sum is σ = 131383296. Its totient is φ = 8524800.

The previous prime is 42464717. The next prime is 42464749. The reversal of 42464730 is 3746424.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71314 + ... + 71906.

It is an arithmetic number, because the mean of its divisors is an integer number (1026432).

Almost surely, 2^42464730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42464730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65691648).

42464730 is an abundant number, since it is smaller than the sum of its proper divisors (88918566).

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

42464730 is a wasteful number, since it uses less digits than its factorization.

42464730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 42464730 is about 6516.4967582283. The cubic root of 42464730 is about 348.8800391205.

The spelling of 42464730 in words is "forty-two million, four hundred sixty-four thousand, seven hundred thirty".