64355742 has 32 divisors (see below), whose sum is σ = 156015360. Its totient is φ = 19501560.

The previous prime is 64355729. The next prime is 64355743. The reversal of 64355742 is 24755346.

64355742 is a `hidden beast` number, since 64 + 3 + 557 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 64355697 and 64355706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64355743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53578 + ... + 54765.

It is an arithmetic number, because the mean of its divisors is an integer number (4875480).

Almost surely, 2^64355742 is an apocalyptic number.

64355742 is an abundant number, since it is smaller than the sum of its proper divisors (91659618).

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

64355742 is a wasteful number, since it uses less digits than its factorization.

64355742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108365 (or 108359 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 64355742 is about 8022.2030639968. The cubic root of 64355742 is about 400.7397602103.

The spelling of 64355742 in words is "sixty-four million, three hundred fifty-five thousand, seven hundred forty-two".