35478621 has 8 divisors (see below), whose sum is σ = 52560960. Its totient is φ = 23652396.

The previous prime is 35478617. The next prime is 35478661. The reversal of 35478621 is 12687453.

It is not a de Polignac number, because 35478621 - 2² = 35478617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35478661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656985 + ... + 657038.

It is an arithmetic number, because the mean of its divisors is an integer number (6570120).

Almost surely, 2^35478621 is an apocalyptic number.

It is an amenable number.

35478621 is a deficient number, since it is larger than the sum of its proper divisors (17082339).

35478621 is a wasteful number, since it uses less digits than its factorization.

35478621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314032 (or 1314026 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 35478621 is about 5956.3932878882. The cubic root of 35478621 is about 328.5909341467.

The spelling of 35478621 in words is "thirty-five million, four hundred seventy-eight thousand, six hundred twenty-one".