32070540 has 48 divisors (see below), whose sum is σ = 90101088. Its totient is φ = 8523264.

The previous prime is 32070539. The next prime is 32070541. The reversal of 32070540 is 4507023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (32070539) and next prime (32070541).

It is not an unprimeable number, because it can be changed into a prime (32070541) 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, 21664 + ... + 23096.

It is an arithmetic number, because the mean of its divisors is an integer number (1877106).

Almost surely, 2^32070540 is an apocalyptic number.

32070540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32070540 is an abundant number, since it is smaller than the sum of its proper divisors (58030548).

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

32070540 is a wasteful number, since it uses less digits than its factorization.

32070540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 32070540 is about 5663.0857312953. The cubic root of 32070540 is about 317.7133210027.

Adding to 32070540 its reverse (4507023), we get a palindrome (36577563).

The spelling of 32070540 in words is "thirty-two million, seventy thousand, five hundred forty".