42797450 has 24 divisors (see below), whose sum is σ = 80059980. Its totient is φ = 17020800.

The previous prime is 42797441. The next prime is 42797459. The reversal of 42797450 is 5479724.

It is an interprime number because it is at equal distance from previous prime (42797441) and next prime (42797459).

It can be written as a sum of positive squares in 6 ways, for example, as 12769 + 42784681 = 113^2 + 6541^2 .

It is not an unprimeable number, because it can be changed into a prime (42797459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6686 + ... + 11414.

Almost surely, 2^42797450 is an apocalyptic number.

42797450 is a deficient number, since it is larger than the sum of its proper divisors (37262530).

42797450 is a wasteful number, since it uses less digits than its factorization.

42797450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922 (or 4917 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 42797450 is about 6541.9760011788. The cubic root of 42797450 is about 349.7888522364.

The spelling of 42797450 in words is "forty-two million, seven hundred ninety-seven thousand, four hundred fifty".