67453140 has 24 divisors (see below), whose sum is σ = 188868960. Its totient is φ = 17987488.

The previous prime is 67453091. The next prime is 67453147. The reversal of 67453140 is 4135476.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 67453098 and 67453107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67453147) 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, 562050 + ... + 562169.

It is an arithmetic number, because the mean of its divisors is an integer number (7869540).

Almost surely, 2^67453140 is an apocalyptic number.

67453140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67453140 is an abundant number, since it is smaller than the sum of its proper divisors (121415820).

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

67453140 is a wasteful number, since it uses less digits than its factorization.

67453140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124231 (or 1124229 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 67453140 is about 8212.9860586756. The cubic root of 67453140 is about 407.0684002260.

The spelling of 67453140 in words is "sixty-seven million, four hundred fifty-three thousand, one hundred forty".